<template>
    <div>
       <!-- 面包屑导航区域 -->
       <el-breadcrumb separator-class="el-icon-arrow-right">
        <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item>用户管理</el-breadcrumb-item>
        <el-breadcrumb-item>用户列表</el-breadcrumb-item>
       </el-breadcrumb>

       <!-- 卡片视图区 -->
       <el-card class="box-card">
            <!-- 搜索与添加区 -->
            <el-row :gutter="20">
                <el-col :span="8">
                    <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getuserlist">
                    <el-button slot="append" icon="el-icon-search" @click="getuserlist"></el-button>
                    </el-input>
                </el-col>
                <el-col :span="4">
                    <el-button type="primary" @click="adddialog = true">添加用户</el-button>
                </el-col>
            </el-row>
            <!-- 用户列表区域 -->
            <el-table :data="userlist" border stripe>
                <el-table-column type="index" label="#"></el-table-column>
                <el-table-column label="姓名" prop="username"></el-table-column>
                <el-table-column label="邮箱" prop="email"></el-table-column>
                <el-table-column label="电话" prop="mobile"></el-table-column>
                <el-table-column label="角色" prop="role_name"></el-table-column>
                <el-table-column label="状态">
                    <template slot-scope="scope">
                    <el-switch v-model="scope.row.mg_state" @change="userstatechanged(scope.row)">
                    </el-switch>
                    </template>
                </el-table-column>
                <el-table-column label="操作" width="180px">
                    <template slot-scope="scope">
                        <!-- 修改按钮 -->
                        <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
                        <!-- 删除按钮 -->
                        <el-button type="danger" icon="el-icon-delete" size="mini"></el-button>
                        <!-- 分配角色按钮 -->
                        <el-tooltip  effect="dark" content="分配角色" placement="top" :enterable="false">
                          <el-button type="warning" icon="el-icon-setting" size="mini" @click="setrole(scope.row)"></el-button>
                        </el-tooltip>
                    </template>
                </el-table-column>
            </el-table>
            <!-- 分页区域 -->
            <el-pagination
               @size-change="handleSizeChange"
               @current-change="handleCurrentChange"
               :current-page.sync="queryInfo.pagenum"
               :page-sizes="[1, 2, 5, 10]"
               :page-size="queryInfo.pagesize"
               layout="total, sizes, prev, pager, next, jumper"
               :total="total">
             </el-pagination>
       </el-card>
        <!-- 添加用户的对话框 -->
       <el-dialog
            title="添加用户"
            :visible.sync="adddialog"
            width="50%" @close="addclose">
            <!-- 内容主体区 -->
            <el-form :model="addform" :rules="addrules" ref="ruleFormRef" label-width="70px">
                <el-form-item label="用户名" prop="username">
                    <el-input v-model="addform.username"></el-input>
                </el-form-item>
                <el-form-item label="密码" prop="password">
                    <el-input v-model="addform.password"></el-input>
                </el-form-item>
                <el-form-item label="邮箱" prop="email">
                    <el-input v-model="addform.email"></el-input>
                </el-form-item>
                <el-form-item label="手机" prop="mobile">
                    <el-input v-model="addform.mobile"></el-input>
                </el-form-item>
            </el-form>
            <!-- 底部区 -->
            <span slot="footer" class="dialog-footer">
                <el-button @click="adddialog = false">取 消</el-button>
                <el-button type="primary" @click="adduser">确 定</el-button>
            </span>
        </el-dialog>
       <!-- 修改用户的对话框 -->
        <el-dialog
          title="修改用户"
          :visible.sync="editdia"
          width="50%">
          <span>这是一段信息</span>
          <span slot="footer" class="dialog-footer">
            <el-button @click="editdia = false">取 消</el-button>
            <el-button type="primary" @click="editdia = false">确 定</el-button>
          </span>
        </el-dialog>
        <!-- 分配角色得对话框 -->
        <el-dialog
          title="分配角色"
          :visible.sync="setdialogVisible"
          width="50%" @close="setroledialogclosed">
          <div>
            <p>当前的用户:{{userInfo.username}}</p>
            <p>当前的角色:{{userInfo.role_name}}</p>
            <p>分配新角色:
              <el-select v-model="selectid" placeholder="请选择">
              <el-option
                v-for="item in roleslist"
                :key="item.id"
                :label="item.roleName"
                :value="item.id">
              </el-option>
              </el-select>
            </p>
          </div>
          <span slot="footer" class="dialog-footer">
            <el-button @click="setdialogVisible = false">取 消</el-button>
            <el-button type="primary" @click="saverole">确 定</el-button>
          </span>
        </el-dialog>
    </div>
</template>

<script>
export default {
  data () {
    // 验证邮箱规则
    // var checkemail = (rule, value, cb) => {
    //   // 正则表达式
    // }
    // // 验证手机号规则
    // var checkmobile = (rule, value, cb) => {

    // }
    return {
    //   获取用户列表参数对象
      queryInfo: {
        query: '',
        // 当前页数
        pagenum: 1,
        // 当前每页显示多少条数据
        pagesize: 2
      },
      userlist: [],
      total: 0,
      //   控制添加用户对话框的显示与隐藏
      adddialog: false,
      //   添加用户表单数据
      addform: {
        username: '',
        password: '',
        email: '',
        mobile: ''
      },
      //   添加表单验证规则
      addrules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' }, { min: 3, max: 10, message: '用户名的长度在3-10字符', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' }, { min: 6, max: 15, message: '用户名的密码在3-10字符', trigger: 'blur' }
        ],
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入手机', trigger: 'blur' }
        ]
      },
      // 控制用户对话框的显示
      editdia: false,
      // 查询到的用户信息对象
      editfrom: {},
      // 控制分配角色对话框得显示与隐藏
      setdialogVisible: false,
      // 需要被分配角色得用户信息
      userInfo: {},
      // 所有角色数据列表
      roleslist: [],
      selectid: ''
    }
  },
  created () {
    this.getuserlist()
  },
  methods: {
    async getuserlist () {
      const { data: res } = await this.$http.get('users', { params: this.queryInfo })
      if (res.meta.status !== 200) return this.$message.error('获取用户信息失败')
      this.userlist = res.data.users
      this.total = res.data.total
    },
    // 监听pagesize改变的事件
    handleSizeChange (newsize) {
      this.queryInfo.pagesize = newsize
      this.getuserlist()
    },
    // 监听页码值改变的事件
    handleCurrentChange (newpage) {
      this.queryInfo.pagenum = newpage
      this.getuserlist()
    },
    // 监听switch开关状态的改变
    async userstatechanged (userinfo) {
      const { data: res } = await this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state}`)
      if (res.meta.status !== 200) {
        userinfo.mg_state = !userinfo.mg_state
        return this.$message.error('更新用户状态失败')
      }
      this.$message.success('更新用户状态成功')
    },
    // 监听添加用户对话框关闭
    addclose () {
      this.$refs.ruleFormRef.resetFields()
    },
    adduser () {
      this.$refs.ruleFormRef.validate(async vaild => {
        if (!vaild) return
        const { data: res } = await this.$http.post('users', this.addform)
        if (res.meta.status !== 201) {
          this.$message.error('添加用户失败')
        }
        this.$message.success('添加用户成功')
        this.adddialog = false
        this.getuserlist()
      })
    },
    // 展示分配角色的对话框
    async setrole (userInfo) {
      this.userInfo = userInfo
      // 在展示对话框之前，获取所有角色得列表
      const { data: res } = await this.$http.get('roles')
      if (res.meta.status !== 200) {
        this.$message.error('获取角色列表失败')
      }
      this.roleslist = res.data
      this.setdialogVisible = true
    },
    // 点击按钮分配角色
    async saverole () {
      if (!this.selectid) {
        return this.$message.error('请选择要分配的角色')
      }
      const { data: res } = await this.$http.put(`users/${this.userInfo.id}/role`, { rid: this.selectid })
      if (res.meta.status !== 200) {
        this.$message.error('更新角色列表失败')
      }
      this.$message.success('更新用户成功')
      this.getuserlist()
      this.setdialogVisible = false
    },
    // 监听分配角色对话框的关闭事件
    setroledialogclosed () {
      this.selectid = ''
      this.userInfo = {}
    }
  }
}
</script>

<style lang="less">
</style>
